If you open a PDF which is encrypted by Foxit with other PDF viewers, a wrapper (which is a PDF page) appears with a prompt that you need to download Foxit PDF Reader/Editor to open the encrypted PDF. With Foxit Configuration Tool, you can customize the wrapper by selecting a desired PDF file.
To apply a custom wrapper, please refer to Web Service Configuration to configure the web service and SQL first. Then choose the Edit Wrapper Content tool in the Foxit Configuration Tool window, enable the tool by clicking the button 
, and select a desired PDF file.